package com.test.shiyan1;

import java.util.Scanner;

public class pdweishu {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int count=0,t;
        int x = sc.nextInt();
        sc.close();
        t=x;
        while(t!=0){
            count++;
            t=t/10;
        }
        System.out.println(x+"是"+count+"位数。");
    }
}
